baber/WOPTO huggingface dataset:
Patent GB-1304128-A (GB)
Inventor: KAWAI S
IPC: G01N21/27
Filed: 1971-05-18
Abstract: 1304128 Colorimeter KYOTO DAIICHI KAGAKU K K and CHUGAI SEIYAKU K K 18 May 1971 [18 May 1970 (2) 19 May 1970] 15611/71 Heading G1A [Also in Division G4] A photo-electric colourimeter comprises a switch 15 for selecting the specific substance to be analyzed in a sample, lamps 14 for indicating the substance selected, a photo-electic detector 28 for providing an analogue signal representing the concentration of the selected substance in the sample and an analogue to digital converter responsive to the analogue signal to provide a digital signal representing the concentration. The colourimeter is used to measure the concentration of substances in blood samples. Initially, with only a chromogenic reagent present in the sample cell 23, a knob 18 for varying the voltage supply 24 to a lamp 25 is adjusted until a meter 17 reads zero. The sample is then mixed with the reagent and after a period in a thermostatic sample holder the sample is positioned in the beam from the lamp 25. A suitable absorption filter 27 is selected and the switch 15 is adjusted to select the resistor 40 corresponding to the substance to be measured. A logarithmic amplifier 30 supplies a signal which varies linearly with the concentration of the substance and this signal is fed as one input to a comparator amplifier 36. The other input to the amplifier 36 is supplied by an integrator 37. While the logarithmic amplifier output exceeds the integrator output, a flip-flop 33 enables an 'AND' gate 34 to transmit clock pulses from a multi-vibrator 32 to a counter 35. The gate is closed when the integrator output becomes equal to the output of the amplifier 30. The counter 35 therefore records a digital value of the concentration which is indicated by glow dishcarge tubes in a display 16. Instead of using the knob 18, the meter 17 may be initally set to zero by adjusting the gain of a preamplifier 29.
Patent GB-389683-A (GB)
Title: Improvements in radial flow elastic fluid turbines
IPC: F01D1/28
Filed: 1932-06-02
Abstract: 389,683. Steam turbines. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET, Võsteras, Sweden. June 2, 1932, No. 15695. Convention date, June 4, 1931. [Class 110 (iii).] In a radial-flow turbine two or more axiallv displaced blade-carrying discs are mounted in the overhung manner on the end of a shaft and co-operate with other discs to form steam passages, at least two of which are bladed. In the arrangement shown in Fig. 1, in which there are oppositely-rotating shafts 1, 2, the overhung disc 3 on the shaft 1 carries a second disc 6, both discs being bladed for outward flow, and the shaft 2 carries two bladed discs 4, 5 co-operating with the discs 3, 6. The inwardflow return passage 24 may be bladed as shown at 31, Fig. 2. The main steam supply is by a port 20 from a chamber 7, but auxiliary steam may be supplied to intermediate stages by passages 23, 25, 27. These passages may also be used for extraction purposes. In Fig. 1 end-thrust balance may be secured by varying the sizes of the discs of the labyrinths 13, 14 or by leading leakage steam from the highpressure labyrinth 13 to the low-pressure labyrinth 14 by a pipe 52. In Fig. 2, end-thrust is balanced by fitting a cap 35 to the first blade ring on the rotor disc 3, and leading steam of intermediate pressure to the low pressure labyrinth 14 by passages 36. Fig. 3 shows an outward-inward flow turbine in which only one blade system rotates. The shaft 40 carries two overhung bladed discs 43, 44, and leakage may be prevented by disc labyrinth packing 47 or by shaft packing 48.
Patent GB-168179-A (GB)
Title: An improved tube cleaner
IPC: F28G3/14
Filed: 1920-06-10
Abstract: 168,179. Crockatt, W. June 10, 1920. Cleaning internally, rotary appliances for.- In tube-cleaning tools of the kind in which a number of spindles 11, angularly disposed with respect to the central shaft 1 carry cutters 12, the spindles are adjusted simultaneously relatively to the body of the tool by operating nuts 5, 6, the former having tommy-holes 7 and annular grooves 8 with conical outer walls 9 with which engage the rounded ends of the spindles 11 which are supported intermedi. atelv bv slotted collars 2, the slots having recesses 4 containing springs 10. The operation of the nuts thus causes the cutters to be adjusted radially under the control of the springs 10.
Patent GB-399929-A (GB)
Title: Improvements in or relating to air-presses
IPC: B30B15/20
Filed: 1932-06-04
Abstract: 399,929. Dashpots. JACKSON, C. E. and HUNT, T. J., 30, Paradise Street, Birmingham. June 4, 1932, No. 15711. [Class 108 (iii).] In an air-press such as is used for inserting or removing mandrels, bushes, ballbearings, &c. the rate of movement is checked by a second piston in an auxiliary cylinder containing oil or other liquid. Compressed air to effect the power stroke is supplied to the top of the power cylinder a against the resistance of the spring e which returns the piston. A control piston j is mounted in the cylinder g with lost motion on the rod d which has a shoulder l and carries a spring-pressed disc valve m adapted to close holes o in the piston. The two sides of the cylinder g are connected by a pipe r and a passage s controlled by a needle valve or by a sleeve valve t provided with a series of graduated radial ports v, Fig. 5, whereby the rate of flow may be controlled. The down movement of the piston j is controlled, but the up movement is free.
Patent GB-1110648-A (GB)
Title: A diffusion pump
IPC: F04F9/00
Filed: 1967-04-05
Abstract: 1,110,648. Diffusion pumps. LEYBOLD HOLDING A.G. April 5, 1967 [April 5, 1966], No. 15729 / 67. Heading F1E. In a diffusion pump, adapted for rapid pressure changes between atmospheric and high vacuum, a cooling pipe 2, Fig.2 is embedded in a removable intermediate plate 1a located between the pump base 1 and the electric heating element 5. The pipe 2 is soldered or brazed to the plate 1a and has inlet and outlet connections 4. The base 1 may have heat-conducting fillets of copper or brass extending into the pump fluid.
Patent GB-734197-A (GB)
Title: Improved process for the preservation of foodstuffs or the like
Inventor: KING JOHN
IPC: A23L3/3445
Filed: 1952-06-23
Abstract: In preserving foods, especially foods such as dried milk and dehydrated vegetables, in sealed containers, all free oxygen is removed from the container by introducing hydrogen with an inert gas, e.g. nitrogen, into the container in the presence of a catalyst arranged in the container before it is sealed, the catalyst being capable of causing hydrogen and oxygen to form water.  The catalyst may be palladium deposited on a carrier such as asbestos, porous ceramic or granular alumina; it may be held in a finely-perforated pocket fixed to the inner side of one end of the container.
Patent GB-291964-A (GB)
Title: Improved picture hanger
IPC: A47G1/16
Filed: 1927-06-15
Abstract: 291,964. Kenny, L. June 15, 1927. Hooks.-A picture hook is fitted with a ball d over which the suspending cord of the picture is passed. The ball is housed in apertures or indents in the opposing faces of the hook b.
Patent GB-306109-A (GB)
Title: Improvements in or relating to fuse bases
IPC: H01H85/20
Filed: 1928-05-31
Abstract: 306,109. Siemens - Schuckertwerke Akt.-Ges. Feb. 17, 1928, [Convention date]. Fusible cut-outs.-A fuse base is adapted for use with a looped in system of wiring by the provision on the conductor strips leading to the fuse contacts of double terminals g, k to which the main supply wires are connected. The branch wires are secured to terminals d, m. The fuse plug fits in a contact socket c associated with a foot contact f.
Patent GB-647345-A (GB)
Title: Improvements in or relating to combustion apparatus for gas turbine engines
Inventor: OWNER FRANK MORGAN
IPC: F23R3/60
Filed: 1947-06-17
Abstract: 647,345. Gas turbine plant. BRISTOL AEROPLANE CO., Ltd. June 17, 1947, No. 15949. [Class 110(iii)] [Also in Group In a gas turbine plant having axial-flow compressors, flame tubes 20 extend lengthwise of a chamber formed by two concentric generally cylindrical walls 22, 21, and baffles 29, 32, are provided to direct the flow of air around each tube. Sections 25, 44 of the wall 22 and baffle 29 are removable and the inner wall 21 is supported by diaphragms 69, 71 carrying bearings 72, 73 for the shaft 74. Cooling air leaks through the annular spaces between baffles and walls. The guide vanes 78 are formed integrally with inner and outer carriers 79, 80 to constitute sector members, the inner members 79 being clamped between plates 81, 82, Fig. 5. Each sector member is slotted at 85 to receive the head of a pin 87 and two opposite sector members receive bolts 88. Specifications 624,768, 625,790 and 644,031 are referred to.
Patent GB-318286-A (GB)
Title: Improvements in or relating to means for packing dates and like fruits
IPC: B65B25/04
Filed: 1928-06-01
Abstract: 318,286. Marine, G. A. June 1, 1928. Packing fruit into paper bags.- Apparatus for packing dates and like fruit into paper bags comprises a box-like structure consisting of a back member 2, Fig. 2, and a slide 3 mounted on a base and having a side 5 and front 6 hinged at 4 to the side edge of the back. A rectangular member 11 is hinged at 10 to the top of the back and has a zinc &c. lining 12 formed with four resilient flaps 13 depending therefrom. In use, a bag 7 is disposed upon the base and the parts 5, 6 closed and secured by a latch 8. The upper edges of the bag are arranged to come between the member 11 and the flaps 13 when the member is moved up into a vertical position. A weighed quantity of dates &c. is placed in a funnel 14 and is forced down into the bag by a rammer 16, Fig. 4. The rammer moves the flaps 13 outwards to maintain the top of the bag in open position. Stops 18 prevent the ram from being forced too far downwards. After insertion of the dates &c. into the bag, the parts ane opened and the top of the bag folded down by hand as shown in Fig. 2. In a modification, Fig. 5, a ram is mounted on a counterweighted arm 24 hinged at 25 to an upright 26, and the back 2 extends further up than the parts 3, 5, 6. Arms 22, with front extensions, are hinged to the sides of the hack above the parts 3, 5, and are adapted to be held in position during working by a zinc &c. guard 23.
Patent GB-103111-A (GB)
IPC: F02M23/09
Filed: 1916-11-10
Abstract: 103,111. Church, E. S. Jan. 6, 1916, [Convention date]. Fluid-actuated valves. - Additional air is admitted to the induction pipe of an internal-combustion engine by a ported piston valve attached to a diaphragm which is actuated by the engine suction. The piston valve 52 is attached to the diaphragm 53 and slides in a casing 50 which is screwed into the wall of the induction passage 4. The outer face of the diaphragm which is loaded by a spring 59, is in communication with the engine suction through a tube 58, and the inner face is in communication with the atmosphere through an aperture 60. This aperture which may be closed by a shutter 63 at starting, admits air to ports 62 in the casing 50 which ports are controlled by ports 61 in the valve.
Patent GB-1356029-A (GB)
Title: Door fastening device
Inventor: NAKANISHI Y
IPC: E05B17/20
Filed: 1971-05-21
Abstract: 1356029 Locks Y NAKANISHI 21 May 1971 [23 May 1970] 16192/71 Heading E2A A fastening device combined with a pair of doors one or both of which comprises a hollow vertical frame member comprises a base portion 7a fixed to the frame member 2, a catch 8 rotatably supported on the base portion, a rotatable shaft 12 integral with the catch and rotatable as a unit with the catch and extending through the base portion into the frame member, a catch keeper 9 fixed to the frame member 11 of the other door and engageable with. the catch, a vertically slidable securing member 3 in the frame member 2 for securing and releasing the catch by engaging or disengaging with the rotatable shaft, an actuating member 4 provided in the frame member 2 or in another frame member for sliding the securing member vertically and a flexible line 6 connecting the actuating member and the securing member. The flexible line 6 is connected to an arm 17 of the actuating member 4 whereby raising the member 4 disengages the bifurcated securing member 3 from an end portion 13 of the shaft and allows rotation of the catch 8 to release it from the keeper 9. The member 3 moves in a hollow guide which is stepped to allow entry of the shaft end portion 13. When the member 4 is depressed the member 3 falls under gravity to engage the end portion and lock the catch. The actuating member 4 is retained in either position by a two-part pin having a spring between the parts urging the parts outwardly into engagement with a selected groove in each side of a cover 23. In another embodiment shown in Fig. 7 the flexible line 6 is secured to a guide sliding plate 35 which is raised or lowered by pivoting a lever 30 on a pivot 31 on a frame 60, the lever also being secured by a pin 32 to a spring urged sliding member 33 slidable within a cylinder 34 of the plate 35 when the lever pivots. In a further embodiment, shown in Fig. 11, the line 6 is connected to a pin 39 in an L-shaped slot in a hollow cylinder 40, within the frame member 2 when a push button 37 on a bolt 38 within the cylinder is pressed, the pin 39 on the bolt moves along the slot, a spring rotates the bolt so that the securing member 3 descends and locks the catch and the bolt 38 projects into a slot in the frame member 11. The securing member may alternatively comprise a rectangular block which is lowered to engage a flat face of the end portion 13 of the shaft and thereby lock the catch.
Patent GB-1009435-A (GB)
Title: Semiconductive circuit elements and method of protecting the same
IPC: C23D5/00
Filed: 1962-04-27
Abstract: 1,009,435. Semi-conductor devices. MOTOROLA Inc. April 27, 1962 [May 11, 1961], No. 16204/62. Heading H1K. The formation of protective grown glassy oxide coatings on the bodies of silicon and germanium devices is accelerated by incorporating in the glass as it forms one or more inorganic materials which modify or weaken the interatomic bonds in the network structure of the glass. This enables either one or both of the following processes to occur more rapidly: (a) diffusion of semi-conductor atoms through the oxide layer with subsequent oxidation, (b) diffusion of oxygen through the oxide layer to the semi-conductot surface which it oxidizes. Suitable accelerating agents are Pb; Li, Na, K; Be, Mg, Ca, Sr, and Ba. Other materials such as B, Al, Ga, Ih, Tl; P, As, Sb, and Bi may be used in conjunction with Pb to form ternary or quarternary glasses. Zn, Cd, Sn and, with silicon devices, Ge may be used in conjunction with halogens. The production of a typical silicon diode (shown in Fig. 4) uses a monocrystalline silicon wafer in which a junction 20 is formed by diffusion. Ohmic contacts of Ni, An, Rh, Pt, Ir, or Pd are applied to both main faces by electroplating, electroless plating, evaporating, or sputtering. The wafer is converted to a plurality of dice either by suitable scribing followed by breaking along the scribed lines, or by masking the dice-forming areas with photo-resist or wax and etching between them with e.g. HF/HN0 3 . It may be necessary to etch through the contents with e.g. aqua regia before etching the silicon. The devices with their electrodes 17, 18 are cleaned and placed in the alumina reaction chamber of a furnace, Fig. 7 (not shown), and the oxide film 19 on each grown by heating in an atmosphere containing oxygen and vapour from a source of lead oxide or of mixed lead and antimony oxides. In the mass production of germanium mesa-type transistors a germanium slab, Fig. 5 (not shown), having a plurality of mesas containing a diffused junction and provided with base and emitter electrodes 34, 35, is heated in an oxygencontaining atmosphere in the presence of lead oxide vapour or of the mixed vapours of lead oxide and bromide. A modified germanium oxide glass is thus formed over the areas of the wafer not covered by electrodes. The wafer is then cut to provide a plurality of transistors, Fig. 6, in each of which the surface portion of the junction 33 is protected by a glass layer 36. It is stated in the Specification that " surface doping " of the semi-conductor body can be achieved by including in the glass film components which modify the surface states of the material.
Patent GB-1083446-A (GB)
Title: Separation methods for volatile solids
IPC: B01D7/00
Filed: 1966-04-13
Abstract: <PICT:1083446/C1/1> Fractional sublimation of a mixture of zirconium and hafnium tetrachlorides is carried out in a column 11 by introducing the mixture of volatile solids in solid and/or gas phase form through line 12 and maintaining such temperature and pressure gradient in the column that all locations within the column contain condensed solid and vapour phases of the components, the condensed solid phase being in a thin film on the surface of nonvolatile inert particulate material which is introduced through line 14 and flows downwardly in countercurrent flow with the vapour phase of the volatile components.  Particles enriched with ZrCl4 are removed through line 22, and vapours enriched in HfCl4 are removed through line 31.  The movement of the vapour phas countercurrently to the inert particles is caused by (1) imposing a temperature gradient resulting in a pressure gradient and so causing the vapour phase to move towards the cooler regions or (2) passing a non-condensable inert carrier gas through the column in which case isothermal conditions may be employed. Reflux of the vapours condensed in condenser 32 and recycling of vapours from vaporizer 23 may be employed.
Patent GB-1309292-A (GB)
Title: Pistons for fluid-operated piston-and-cylinder arrangements
IPC: F16J1/00
Filed: 1970-04-06
Abstract: 1309292 Pistons P L PANIGATI 6 April 1970 16264/70 Heading F2T A piston for a fluid pressure cylinder having a damping chamber 13, 14 comprises an elastic sleeve-like piston head 3, e.g. of rubber, supported by a disc member 1, the head 3 having bulbous rims 7 and a relatively narrowed portion 6. The disc 1, possibly welded to a piston rod 2, may engage in a groove 5 of the head 3, opposing rims 7 facing respective chambers 13, 14 defined by end members 9, 10 locked into a cylinder liner 4 by resilient metal rings 11. Alternatively, Fig. 3 (not shown), the disc (1a) may be peripherally beaded for engagement with the groove of the head (3a), or separate head portions (3b), Fig. 4 (not shown), may be glued or vulcanized to each face of the disc (lc). Further, Fig. 5 (not shown), separate discs (1d) may mount respective head portions (3c), or annular members 3e, Fig. 6, bearing respective head portions 3d may be secured to the disc 1g, e.g. by segmental members 3f. The cylinder may be single or double acting, inlet/ outlet ports 16, 25 being provided in the end members 9, 10, with passages, e.g. 18, 19, 21, 22, (also similarly in member 9), leading through a no-return valve 20 and an adjustable throttling valve 23 providing for damping.
Patent GB-1366823-A (GB)
Title: Metal plating process
IPC: C25D15/02
Filed: 1972-04-07
Abstract: 1366823 Electro-depositing polymer-metal films C UYEMURA & CO Ltd 7 April 1972 16284/72 Heading C7B A polymer-metal film is electro-codeposited on a metal substrate e.g. steel plate from a colloidal suspension containing polymer particles, one or more cationic surfactants adsorbable on the polymer particles and capable of giving positive charge thereto, and a metal compound. The metal may be Cu, Ni, Cr, Zn, Pb, Sn, Fe, Cd, or Pt, Au, Ag or alloys thereof, e.g. dissolved in the suspension as: Cu SO 4  with H 2  SO 4 ; ZnCl 2  with NH 4 Cl; NiSO 4  and NiCl 2  with H 3 BO 3  and saccharin; SnSO 4  with H 2 SO 4 , cresol sulphonic acid, gelatine and #-naphthates CuCN 2  and Zn(CN) 2  with NaCN and Na 2  CO 3 . The polymer may be thermoplastic or thermosetting, e.g. natural or synthetic (neoprene) rubber latex, PTFE, poly (C 2 ClF 3 ), or polyamide, epoxy, alkyd or phenol resin. Cationic surfactants used may be quaternary ammonium salts, aliphatic amines, imidazotines, compounds having C-F bonds e.g. C 8 F 17 SO 2 NHC 2 H 4 N(CH 3 )(C 2 H 5 ) 2 I, C 18 H 37 N(CH 3 ) 3 Cl, (C 18 H 37 ) 2 (CH 3 ) 2 NCl, C 18 H 37  (CH 2 OH) 2 NC 3 H 6 SO 3  or C 18 H 37 (C 2 H 4 OH) 2  NCH 2 CO 2 . An example (SnSO 4  bath) discloses the addition of the nonionic surfactant contained in a red pigment of nitrotrylazonaphthol. The suspension may be agitated by screw, air or liquid recycling. The film may be heated after deposition, particularly when rubber, colloidal S and latex compositions containing vulcanization accelerators are codeposited in metal plated coatings.
Patent GB-1134490-A (GB)
Title: Particle velocity sorter using an r.f. tranverse electric space harmonic and a transverse bias field
Inventor: LLEWELLYN PETER MERLYN
IPC: H01J49/42
Filed: 1967-04-10
Abstract: 1,134,490. Particle spectrometers. VARIAN ASSOCIATES. 10 April, 1967 [19 April, 1966], No. 16330/67. Heading H1D. A charged particle velocity sorter comprises means 13 for forming and projecting charged particle beam, means 3, 4 for producing along the beam a spacially periodic R.F. electric field transverse to the beam and a second transverse field having an equal and opposite effect on particles having a velocity synchronous with the phase velocity of an even number spacial harmonic of the R.F. field to allow such particles to pass through the sorter and deflect non-synchronous particles out of the beam. In a mass spectrometer for analysing the charge to mass ratio a ribbon beam of gas, ionized by an electron beam (26), passes between comb members 3, 4 across which an R.F. source 7 and a D.C. source are connected. The R.F. source is operated in the 2# space harmonic mode so that all ions except synchronous ions with velocity V 1 =f 0 # are deflected out of the beam where f 0  is the frequency and X the distance between teeth of members 3, 4. The D.C. source is obtained from a rectifier (38) supplied from the R.F. source. A scan voltage (35) is applied to a beam voltage control electrode (34). Synchronous ions reach a collector electrode 11, behind a secondary electron suppressor (42) and connected to an electrometer (44) whose output is fed to a recorder (45) together with the scan voltage. An alternative ion sorter comprises a pair of slotted plates (51), Fig. 8 (not shown), between outer plates (52) across which the fields are applied, the slotted plates and electrode (34) being at the same potential. The D.C. source may be replaced by a square wave audio frequency supply. The sorter may be used with negative ions or electrons.